M306V5ME-XXXSP Datasheet, PDF(178/263 Page) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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M306V5ME-XXXSP Datasheet, PDF (178/263 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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MITSUBISHI MICROCOMPUTERS

M306V5ME-XXXSP

M306V5EESP

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

Note : 1TC (TC : OSD clock cycle divided in pre-divide circuit) gap occurs between the horizontal display

start position set by the horizontal position register and the most left dot of the 1st block. Accord-

ingly, when 2 blocks have different pre-divide ratios, their horizontal display start position will not

match.

Ordinary, this gap is 1TC regardless of character sizes, however, the gap is 1.5TC only when the

character size is 1.5TC.

HSYNC

Note 1 Tdef

1TC

4TOSC â N 1TC

1TC

1.5TC

Block 1 (Pre-divide ratio = 1)

Block 2 (Pre-divide ratio = 2)

Block 3 (Pre-divide ratio = 3)

Block 4 (Pre-divide ratio = 2, character size = 1.5Tc)

N = Value of horizontal position register (decimal notation)

Tc = OSD clock cycle divided in pre-divide circuit

Tosc = OSD oscillation cycle

Tdef = 50Tosc

Figure 2.16.12 Notes on horizontal display start position

Rev. 1.0

177

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